electric vertical hot water boiler with automatic control

Electric electric vertical hot water boiler with automatic control electric boiler cleaning method is mainly used in place of a large area of ​​guesthouses, hotels, colleges, factories, etc., in the course of its work, a long time after the surface or the interior will scale phenomenon, this phenomenon greatly affect the equipment, the following it'll tell you about cleaning method: 1, acid cleaning method: ① this pickling solution can not only clean up the boiler scale (except when nitrates scale, add hydrofluoric acid), and very little corrosion gas hot water boiler. ② descaling pickling process using hydrochloric acid or nitric acid, most of the cleaning. Pickling solution by adding nitric acid or hydrochloric acid was added inhibitor of the corrosion inhibitor composition. 2, the mechanical descaling method: when the electric furnace with a loose boiler scale and slag, so that the cast iron hot water boiler shutdown cooling, boiler water let go of, after washing with water, can be used flat shovel, wire brushes, and a motor milling descaling header. 3, alkali cooking cleaning law: ① alkali cooking method is simple, relatively small side effects. ② alkali cooking method of cleaning descaling, pickling cleaning effect than the difference method, but since a base boiled loose scale, so it is difficult for, may be a cooking method I with a base with hydrochloric acid cleaned scale before acid pickling deal with. Scale electric boiler efficiency is an important factor in the life and influence, in order to ensure it is safe to run the economy, the need for a reasonable scale clean-up work, so essential to get rid of scale, reduce equipment failure and reduce damage.

There are two methods to calculate the furnace structure characteristics of an electric electric vertical hot water boiler with automatic control: first, when designing a new electric boiler, according to the combustion requirements, according to the selected thermal strength of the grate area and the thermal intensity of the furnace volume, the area of the discharging row and the primary determination of the volume of the furnace are determined. And structural dimensions. Second, preliminary determination of the grate area and furnace volume according to the boiler recommended estimation method. In order to calculate the characteristics of furnace structure, the radiative heating surface of furnace should be arranged according to the requirement of heat transfer, and the layout sketch of furnace structure should be drawn up in order to calculate the characteristics of furnace structure. When checking the furnace of the existing electric boiler, if the structure is known, the characteristics of the furnace mechanism should also be calculated. Calculation of furnace structure characteristics of electric boiler Provide necessary mechanism data for furnace heat transfer calculation. If the flue gas temperature at the outlet of the furnace is not reasonable after heat transfer calculation in the furnace, the arrangement of the furnace mechanism and radiation heating surface should be modified, and then the calculation should be carried out. The perimeter of the furnace volume of the electric boiler is: the surrounding area and the center line of the water wall on the top of the furnace. (if the water wall tube is covered with fireproof coated active refractory brick, it is the facing surface of the wall. The place where the water wall is not laid out is the inner wall of the furnace wall. The exit window is the surface of the front-most row of pipe centerlines) and the bottom. When hydraulic oil flows through all kinds of hydraulic valves, there is inevitably pressure loss and flow loss, which is the energy of this part. Loss accounts for a large proportion of the total energy loss. Therefore, choosing the hydraulic pressure reasonably and adjusting the pressure of the pressure valve is also an important aspect of reducing the power loss. The flow valve is selected according to the range of flow regulation in the system to ensure that its minimum steady flow rate can meet the service requirements. The pressure of the pressure valve is as low as possible under the condition that the pressure of the pressure valve meets the normal operation of the hydraulic equipment. Reasonable selection of hydraulic oil. When the hydraulic oil flows in the pipeline, it will show viscosity, and when the viscosity is too high, it will produce a greater internal friction force, which will cause the oil to heat up, and at the same time increase the resistance of the oil flow. When viscosity is too low, easy to cause leakage, will reduce the system Volume efficiency, therefore, generally choose a suitable viscosity and good viscosity-temperature characteristics of the oil. In addition, when the oil flows in the pipeline, there is also pressure loss along the path and local pressure loss, so when designing the pipeline, it is possible to shorten the pipeline and reduce the bend at the same time.

Autumn and winter cold season is heating the peak of the northern city of Tianjin, with the heating period, fog, haze and other inclement weather has cropped up, as also the people a "blue sky" always in a good living environment, inside of Tianjin low-emission coal-fired electric vertical hot water boiler with automatic controls reform process without delay. To improve the situation of air pollution, Tianjin start the "Blue Sky Project" plans to cooperate with the fast boiler, gas boiler will invest billions of dollars in coal-fired boilers within the city as a clean fuel such as natural gas as raw material.

Gas, the working principle of a steam electric vertical hot water boiler with automatic control gas heating device (burner) to release heat, radiation heat transfer is first absorbed by the water wall, the Wall Boiling water, a lot of steam into the drum for generating steam separator (DC out furnace), separated the steam entering the superheater full, by radiation, convection method and continuous top horizontal flue furnace absorption, the flue gases heat the back pass, and the superheated steam temperature reached the requested work. Power generation boilers are generally provided with a reheater, steam is used to heat the work of the high-pressure cylinder, the reheater go out of the reheat steam, the low pressure cylinder continuously to generate power. Plain speaking, a steam boiler the burning of the fuel absorbs heat energy must be water parameter (such as pressure, temperature, etc.) of the steam device. Boilers and boiler furnace divided into two parts, the pot is filled with water to the metal container, the fuel is burning furnace section heat absorb water pot furnace and burning the fuel to steam, with the basic principles of almost boiling water, the pot equivalent kettle, oven stove equivalent. Horizontal gas steam boiler Schematic heating apparatus (burner releases heat, radiation is first absorbed by the water wall heat transfer, vaporization of water boiling water wall, a lot of steam into the drum for generating steam separator (DC out furnace), separated full steam enters the superheater, by radiation, convection method and continuous top horizontal flue furnace absorption, the flue gases heat the back pass, and the superheated steam temperature reached the requested work. power generating boilers are generally provided with a reheater, is used to heat the steam by the high pressure acting cylinder, and reheated steam reheater go out, the low-pressure cylinder continuously to generate power. plain speaking, a steam boiler the burning of the fuel absorbs heat energy must be water parameters ( the apparatus steam pressure, temperature, etc.) of the boiler and the boiler furnace is divided into two parts, the pot is filled with water to the metal container, the fuel is burning furnace section heat absorb water pot furnace burning fuel converted steam, boil water with the basic principle is similar to the equivalent of pot kettle, oven stove equivalent. vertical gas steam boiler principle diagram vertical gas steam boiler Furnace is an energy conversion device, the input energy to the boiler fuel chemical energy, electrical energy, thermal energy and other forms of high temperature flue gas, the boiler through the conversion of thermal energy must be externally output with steam, hot water or organic heat . used for power plant, boats, locomotives and mining enterprises. the main rationale original working passed to a boiler water in the container after use of the thermal energy released or the fuel burned in the industrial production of heat, the temperature of the water reaches the demanded or must steam pressure thermal equipment boiler in the "pot" and "furnace" two somewhat performed in conjunction with the water into the boiler in the future, the heat in the soda system boiler heating surface will absorb transferred to the water, the water heated to a bound of temperature and pressure generating hot water or steam, is drawn applied. in some incineration equipment, continued burning of the fuel heat release, high temperature flue gas occurs by thermal incineration of communication, transferring heat to the boiler heating surface, the temperature was gradually lowered itself, and finally discharged from the chimney classification steam boiler: a, divided by the fuel: 1, gas boiler, 2, oil-fired boiler, 3, gas boiler, 4, electric heating boilers, 5, atomic energy boiler, 6, waste heat boiler, etc., during the first four at most, the most common, the lowest operating costs of gas-fired boilers, but large area, environment pollution, the operator requested more; fuel gas boiler high degree of automation, operation cost is higher than gas, smaller footprint, fewer requests operator; electric heating boiler I have not had the operation, but the operation cost should be the highest, but a small boiler area, environmental best; other boiler is not introduced because they do not understand Second, by mode of heat transfer into the fuel gas-fired boiler is usually fire tube boiler water tube boiler, fire tube boilers, water, fire tube boilers and other. typical model: WNS series (horizontal burning boiler combustion chamber), the characteristics of such boilers: simple structure, an additional amount of evaporation is generally small (typically ten tons or less, there are also large, but usually do not exceed 35 tons), Kai boosting faster furnace, boiler water is relatively low request; gas boiler are usually water-tube boiler, water tube boiler high thermal efficiency, but messy configuration, the boiler high quality requested. Third, by additional pressure into the low-pressure boilers, pressure boiler, high pressure boiler Fourth, the use is divided into days boilers, industrial boilers, power generation, marine boilers.

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